Home / 14,310.71-21,465.82-3,922.46

Finding the Fourth Proportional to 14,310.71, 21,465.82 and 3,922.46

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Solution

The fourth proportional to 14,310.71, 21,465.82 and 3,922.46 is: 5,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.71 : 21,465.82 = 3,922.46 : x
  2. Step 2: Convert to fraction form
    14,310.71/21,465.82 = 3,922.46/x
  3. Step 3: Cross multiply
    14,310.71x = 21,465.82 × 3,922.46
  4. Step 4: Simplify right side
    14,310.71x = 84,198,820.32
  5. Step 5: Solve for x
    x = 84,198,820.32/14,310.71
  6. Step 6: Final answer
    x = 5,883.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.